Short introductions:
Best short intro: Controlling Robotic Swarms - Brian Douglas - Youtube
What are Robotic Swarms? An Overview - UNIDIR — the UN Institute for Disarmament Research - YouTube For more, read the full UNIDIR report at Swarm Robotics: Technical and Operational Overview of the Next Generation of Autonomous Systems | UNIDIR
Swarm Robots!!! - Science IRL - YouTube
19 lectures from the Multi-robot Systems Group at FEE-CTU in Prague: MRS Summer School 2019
Other playlists from the same group: https://www.youtube.com/@ctu-mrs/playlists
Morphology, Evolution & Cognition Laboratory: Evolutionary Robotics lectures. Spring 2023 - YouTube Lecture 23 is on swarm robotics.
Related content, which I would start with:
Random longer talks:
Swarm Robotics: Past, Present, and Future | Dr Alan Millard, Lecturer in Computer Science
Forum on Robotics & Control Engineering (FoRCE): FoRCE Seminars on Robotics and Control Engineering
Practical Applications of Robot Swarms: Challenges and Solutions
Swarm robotics into the real world
Sándor Fekete: Geometric algorithms for large robot swarms
YOW! 2019 - Sabine Hauert - Swarm Engineering Across Scales: From Robots To Nanomedicine